diff --git a/ares/configure.ac b/ares/configure.ac
index e625065584598681a0f2c93ee6acc6da03441be9..4eb62d1ee30403e1fe88fcf5e1292a26121234a7 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -83,8 +83,8 @@ m4_defun([AC_LIBTOOL_CXX],[])
 m4_ifdef([AC_LIBTOOL_F77], [m4_undefine([AC_LIBTOOL_F77])])
 m4_defun([AC_LIBTOOL_F77],[])
 
-dnl force libtool to build static libraries with PIC on AMD64
-AC_MSG_CHECKING([if target is AMD64 (to build static libraries with PIC)])
+dnl force libtool to build static libraries with PIC on AMD64-linux
+AC_MSG_CHECKING([if arch-OS host is AMD64-linux (to build static libraries with PIC)])
 case $host in
   x86_64*linux*)
     AC_MSG_RESULT([yes])
diff --git a/configure.ac b/configure.ac
index 9bced6cb59e9cf559c480cf49dbfda28aeb19816..dc64153f6d39166ab473c3aa24c8d3d1a77eed1b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -127,8 +127,8 @@ m4_defun([AC_LIBTOOL_CXX],[])
 m4_ifdef([AC_LIBTOOL_F77], [m4_undefine([AC_LIBTOOL_F77])])
 m4_defun([AC_LIBTOOL_F77],[])
 
-dnl force libtool to build static libraries with PIC on AMD64
-AC_MSG_CHECKING([if target is AMD64 (to build static libraries with PIC)])
+dnl force libtool to build static libraries with PIC on AMD64-linux
+AC_MSG_CHECKING([if arch-OS host is AMD64-linux (to build static libraries with PIC)])
 case $host in
   x86_64*linux*)
     AC_MSG_RESULT([yes])